Finding the Fourth Proportional to 81,719,396.84, 112,774,018.02 and 44,549,702.12
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Solution
The fourth proportional to 81,719,396.84, 112,774,018.02 and 44,549,702.12 is: 61,479,270.58
Step by Step Solution
- Step 1: Write the proportion equation
81,719,396.84 : 112,774,018.02 = 44,549,702.12 : x - Step 2: Convert to fraction form
81,719,396.84/112,774,018.02 = 44,549,702.12/x - Step 3: Cross multiply
81,719,396.84x = 112,774,018.02 × 44,549,702.12 - Step 4: Simplify right side
81,719,396.84x = 5,024,048,909,666,512 - Step 5: Solve for x
x = 5,024,048,909,666,512/81,719,396.84 - Step 6: Final answer
x = 61,479,270.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.